The 1977 Datsun 810 is a mid-size sedan and wagon that marked Datsun's expansion into a more comfortable and upscale segment of the automotive market. Known for its rear-wheel drive configuration, smooth inline-six L24 engine, and refined styling for its era, the 810 offered a spacious interior and a comfortable ride, positioning it as a credible alternative to domestic competitors. This model represented Datsun's commitment to producing reliable and well-engineered vehicles, building upon the brand's heritage of quality and value.

This comprehensive workshop service manual provides detailed information for the maintenance, repair, and diagnosis of the 1977 Datsun 810. It covers all major systems, including the powertrain, drivetrain, chassis, and electrical systems, offering in-depth procedures for engine overhauls, transmission service, brake and suspension work, and electrical troubleshooting. With detailed specifications, maintenance schedules, and diagnostic guides, this manual is an essential resource for professional technicians and dedicated DIY mechanics aiming to preserve the performance and longevity of their Datsun 810.